Finding the Fourth Proportional to 42,730,961.68, 64,096,522.71 and 10,382,891.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,730,961.68 : 64,096,522.71 = 10,382,891.59 : x
2. Step 2: Convert to fraction form
   42,730,961.68/64,096,522.71 = 10,382,891.59/x
3. Step 3: Cross multiply
   42,730,961.68x = 64,096,522.71 × 10,382,891.59
4. Step 4: Simplify right side
   42,730,961.68x = 665,507,246,593,903
5. Step 5: Solve for x
   x = 665,507,246,593,903/42,730,961.68
6. Step 6: Final answer
   x = 15,574,356.87