Finding the Fourth Proportional to 52,492.86, 72,440.93 and 28,619.93

Step by Step Solution

1. Step 1: Write the proportion equation
   52,492.86 : 72,440.93 = 28,619.93 : x
2. Step 2: Convert to fraction form
   52,492.86/72,440.93 = 28,619.93/x
3. Step 3: Cross multiply
   52,492.86x = 72,440.93 × 28,619.93
4. Step 4: Simplify right side
   52,492.86x = 2,073,254,345.73
5. Step 5: Solve for x
   x = 2,073,254,345.73/52,492.86
6. Step 6: Final answer
   x = 39,495.93