Finding the Fourth Proportional to 42,098,494, 63,147,743.52 and 10,185,790

Step by Step Solution

1. Step 1: Write the proportion equation
   42,098,494 : 63,147,743.52 = 10,185,790 : x
2. Step 2: Convert to fraction form
   42,098,494/63,147,743.52 = 10,185,790/x
3. Step 3: Cross multiply
   42,098,494x = 63,147,743.52 × 10,185,790
4. Step 4: Simplify right side
   42,098,494x = 643,209,654,468,580.88
5. Step 5: Solve for x
   x = 643,209,654,468,580.88/42,098,494
6. Step 6: Final answer
   x = 15,278,685.61