Finding the Fourth Proportional to 98,814.53, 136,363.89 and 53,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,814.53 : 136,363.89 = 53,492.50 : x
2. Step 2: Convert to fraction form
   98,814.53/136,363.89 = 53,492.50/x
3. Step 3: Cross multiply
   98,814.53x = 136,363.89 × 53,492.50
4. Step 4: Simplify right side
   98,814.53x = 7,294,445,034.46
5. Step 5: Solve for x
   x = 7,294,445,034.46/98,814.53
6. Step 6: Final answer
   x = 73,819.56