Finding the Fourth Proportional to 30,807,059.46, 42,514,887.39 and 17,578,390.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,807,059.46 : 42,514,887.39 = 17,578,390.12 : x
2. Step 2: Convert to fraction form
   30,807,059.46/42,514,887.39 = 17,578,390.12/x
3. Step 3: Cross multiply
   30,807,059.46x = 42,514,887.39 × 17,578,390.12
4. Step 4: Simplify right side
   30,807,059.46x = 747,343,276,449,288.62
5. Step 5: Solve for x
   x = 747,343,276,449,288.62/30,807,059.46
6. Step 6: Final answer
   x = 24,258,831.89