Finding the Fourth Proportional to 42,098,172.50, 63,147,261.18 and 10,185,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,098,172.50 : 63,147,261.18 = 10,185,468.50 : x
2. Step 2: Convert to fraction form
   42,098,172.50/63,147,261.18 = 10,185,468.50/x
3. Step 3: Cross multiply
   42,098,172.50x = 63,147,261.18 × 10,185,468.50
4. Step 4: Simplify right side
   42,098,172.50x = 643,184,439,610,162.88
5. Step 5: Solve for x
   x = 643,184,439,610,162.88/42,098,172.50
6. Step 6: Final answer
   x = 15,278,203.34