Finding the Fourth Proportional to 42,471.72, 63,539.91 and 37,485.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,471.72 : 63,539.91 = 37,485.36 : x
2. Step 2: Convert to fraction form
   42,471.72/63,539.91 = 37,485.36/x
3. Step 3: Cross multiply
   42,471.72x = 63,539.91 × 37,485.36
4. Step 4: Simplify right side
   42,471.72x = 2,381,816,400.72
5. Step 5: Solve for x
   x = 2,381,816,400.72/42,471.72
6. Step 6: Final answer
   x = 56,080.06