Finding the Fourth Proportional to 25,602,264.55, 38,403,435.71 and 10,456,196.05

Step by Step Solution

1. Step 1: Write the proportion equation
   25,602,264.55 : 38,403,435.71 = 10,456,196.05 : x
2. Step 2: Convert to fraction form
   25,602,264.55/38,403,435.71 = 10,456,196.05/x
3. Step 3: Cross multiply
   25,602,264.55x = 38,403,435.71 × 10,456,196.05
4. Step 4: Simplify right side
   25,602,264.55x = 401,553,852,777,331
5. Step 5: Solve for x
   x = 401,553,852,777,331/25,602,264.55
6. Step 6: Final answer
   x = 15,684,309.96