Finding the Fourth Proportional to 42,613.80, 63,592.29 and 37,430.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,613.80 : 63,592.29 = 37,430.61 : x
2. Step 2: Convert to fraction form
   42,613.80/63,592.29 = 37,430.61/x
3. Step 3: Cross multiply
   42,613.80x = 63,592.29 × 37,430.61
4. Step 4: Simplify right side
   42,613.80x = 2,380,297,967.53
5. Step 5: Solve for x
   x = 2,380,297,967.53/42,613.80
6. Step 6: Final answer
   x = 55,857.45