Finding the Fourth Proportional to 1,657,892.10, 2,488,150.35 and 647,498.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,657,892.10 : 2,488,150.35 = 647,498.10 : x
2. Step 2: Convert to fraction form
   1,657,892.10/2,488,150.35 = 647,498.10/x
3. Step 3: Cross multiply
   1,657,892.10x = 2,488,150.35 × 647,498.10
4. Step 4: Simplify right side
   1,657,892.10x = 1,611,072,624,139.34
5. Step 5: Solve for x
   x = 1,611,072,624,139.34/1,657,892.10
6. Step 6: Final answer
   x = 971,759.64