Finding the Fourth Proportional to 64,840.91, 89,502.77 and 37,992.11

Step by Step Solution

1. Step 1: Write the proportion equation
   64,840.91 : 89,502.77 = 37,992.11 : x
2. Step 2: Convert to fraction form
   64,840.91/89,502.77 = 37,992.11/x
3. Step 3: Cross multiply
   64,840.91x = 89,502.77 × 37,992.11
4. Step 4: Simplify right side
   64,840.91x = 3,400,398,730.61
5. Step 5: Solve for x
   x = 3,400,398,730.61/64,840.91
6. Step 6: Final answer
   x = 52,442.18