Finding the Fourth Proportional to 42,543.18, 58,693.73 and 42,477.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,543.18 : 58,693.73 = 42,477.57 : x
2. Step 2: Convert to fraction form
   42,543.18/58,693.73 = 42,477.57/x
3. Step 3: Cross multiply
   42,543.18x = 58,693.73 × 42,477.57
4. Step 4: Simplify right side
   42,543.18x = 2,493,166,812.25
5. Step 5: Solve for x
   x = 2,493,166,812.25/42,543.18
6. Step 6: Final answer
   x = 58,603.21