Finding the Fourth Proportional to 1,636,749,826.57, 2,456,676,898.71 and 1,013,078,509.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,749,826.57 : 2,456,676,898.71 = 1,013,078,509.48 : x
2. Step 2: Convert to fraction form
   1,636,749,826.57/2,456,676,898.71 = 1,013,078,509.48/x
3. Step 3: Cross multiply
   1,636,749,826.57x = 2,456,676,898.71 × 1,013,078,509.48
4. Step 4: Simplify right side
   1,636,749,826.57x = 2,488,806,570,819,075,584
5. Step 5: Solve for x
   x = 2,488,806,570,819,075,584/1,636,749,826.57
6. Step 6: Final answer
   x = 1,520,578,484.52