Finding the Fourth Proportional to 52,803.86, 72,869.31 and 31,588.11

Step by Step Solution

1. Step 1: Write the proportion equation
   52,803.86 : 72,869.31 = 31,588.11 : x
2. Step 2: Convert to fraction form
   52,803.86/72,869.31 = 31,588.11/x
3. Step 3: Cross multiply
   52,803.86x = 72,869.31 × 31,588.11
4. Step 4: Simplify right side
   52,803.86x = 2,301,803,779.90
5. Step 5: Solve for x
   x = 2,301,803,779.90/52,803.86
6. Step 6: Final answer
   x = 43,591.59