Finding the Fourth Proportional to 52,263.25, 72,124.61 and 28,389.93

Step by Step Solution

1. Step 1: Write the proportion equation
   52,263.25 : 72,124.61 = 28,389.93 : x
2. Step 2: Convert to fraction form
   52,263.25/72,124.61 = 28,389.93/x
3. Step 3: Cross multiply
   52,263.25x = 72,124.61 × 28,389.93
4. Step 4: Simplify right side
   52,263.25x = 2,047,612,629.18
5. Step 5: Solve for x
   x = 2,047,612,629.18/52,263.25
6. Step 6: Final answer
   x = 39,178.82