Finding the Fourth Proportional to 42,488.47, 58,599.21 and 37,711.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,488.47 : 58,599.21 = 37,711.90 : x
2. Step 2: Convert to fraction form
   42,488.47/58,599.21 = 37,711.90/x
3. Step 3: Cross multiply
   42,488.47x = 58,599.21 × 37,711.90
4. Step 4: Simplify right side
   42,488.47x = 2,209,887,547.60
5. Step 5: Solve for x
   x = 2,209,887,547.60/42,488.47
6. Step 6: Final answer
   x = 52,011.46