Finding the Fourth Proportional to 1,826,916,053.58, 2,521,146,644.01 and 991,540,636.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826,916,053.58 : 2,521,146,644.01 = 991,540,636.02 : x
2. Step 2: Convert to fraction form
   1,826,916,053.58/2,521,146,644.01 = 991,540,636.02/x
3. Step 3: Cross multiply
   1,826,916,053.58x = 2,521,146,644.01 × 991,540,636.02
4. Step 4: Simplify right side
   1,826,916,053.58x = 2,499,819,346,901,364,224
5. Step 5: Solve for x
   x = 2,499,819,346,901,364,224/1,826,916,053.58
6. Step 6: Final answer
   x = 1,368,327,429.17