Finding the Fourth Proportional to 42,907.46, 59,146.65 and 30,124.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,907.46 : 59,146.65 = 30,124.77 : x
2. Step 2: Convert to fraction form
   42,907.46/59,146.65 = 30,124.77/x
3. Step 3: Cross multiply
   42,907.46x = 59,146.65 × 30,124.77
4. Step 4: Simplify right side
   42,907.46x = 1,781,779,227.52
5. Step 5: Solve for x
   x = 1,781,779,227.52/42,907.46
6. Step 6: Final answer
   x = 41,526.10