Finding the Fourth Proportional to 66,492.63, 91,759.82 and 38,214.72

Step by Step Solution

1. Step 1: Write the proportion equation
   66,492.63 : 91,759.82 = 38,214.72 : x
2. Step 2: Convert to fraction form
   66,492.63/91,759.82 = 38,214.72/x
3. Step 3: Cross multiply
   66,492.63x = 91,759.82 × 38,214.72
4. Step 4: Simplify right side
   66,492.63x = 3,506,575,828.55
5. Step 5: Solve for x
   x = 3,506,575,828.55/66,492.63
6. Step 6: Final answer
   x = 52,736.31