Finding the Fourth Proportional to 122,384.31, 183,534.89 and 42,403.61

Step by Step Solution

1. Step 1: Write the proportion equation
   122,384.31 : 183,534.89 = 42,403.61 : x
2. Step 2: Convert to fraction form
   122,384.31/183,534.89 = 42,403.61/x
3. Step 3: Cross multiply
   122,384.31x = 183,534.89 × 42,403.61
4. Step 4: Simplify right side
   122,384.31x = 7,782,541,111.39
5. Step 5: Solve for x
   x = 7,782,541,111.39/122,384.31
6. Step 6: Final answer
   x = 63,591.01