Finding the Fourth Proportional to 52,259.90, 72,095.54 and 31,026.87

Step by Step Solution

1. Step 1: Write the proportion equation
   52,259.90 : 72,095.54 = 31,026.87 : x
2. Step 2: Convert to fraction form
   52,259.90/72,095.54 = 31,026.87/x
3. Step 3: Cross multiply
   52,259.90x = 72,095.54 × 31,026.87
4. Step 4: Simplify right side
   52,259.90x = 2,236,898,792.03
5. Step 5: Solve for x
   x = 2,236,898,792.03/52,259.90
6. Step 6: Final answer
   x = 42,803.35