Finding the Fourth Proportional to 784,681.32, 1,082,978.41 and 478,935.38

Step by Step Solution

1. Step 1: Write the proportion equation
   784,681.32 : 1,082,978.41 = 478,935.38 : x
2. Step 2: Convert to fraction form
   784,681.32/1,082,978.41 = 478,935.38/x
3. Step 3: Cross multiply
   784,681.32x = 1,082,978.41 × 478,935.38
4. Step 4: Simplify right side
   784,681.32x = 518,676,673,988.51
5. Step 5: Solve for x
   x = 518,676,673,988.51/784,681.32
6. Step 6: Final answer
   x = 661,002.95