Finding the Fourth Proportional to 52,042.91, 78,095.51 and 47,807.99

Step by Step Solution

1. Step 1: Write the proportion equation
   52,042.91 : 78,095.51 = 47,807.99 : x
2. Step 2: Convert to fraction form
   52,042.91/78,095.51 = 47,807.99/x
3. Step 3: Cross multiply
   52,042.91x = 78,095.51 × 47,807.99
4. Step 4: Simplify right side
   52,042.91x = 3,733,588,731.61
5. Step 5: Solve for x
   x = 3,733,588,731.61/52,042.91
6. Step 6: Final answer
   x = 71,740.59