Finding the Fourth Proportional to 42,730,983.02, 64,096,554.63 and 10,382,912.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,730,983.02 : 64,096,554.63 = 10,382,912.90 : x
2. Step 2: Convert to fraction form
   42,730,983.02/64,096,554.63 = 10,382,912.90/x
3. Step 3: Cross multiply
   42,730,983.02x = 64,096,554.63 × 10,382,912.90
4. Step 4: Simplify right side
   42,730,983.02x = 665,508,943,913,381.75
5. Step 5: Solve for x
   x = 665,508,943,913,381.75/42,730,983.02
6. Step 6: Final answer
   x = 15,574,388.81