Finding the Fourth Proportional to 66,492.52, 91,746.23 and 42,303.09

Step by Step Solution

1. Step 1: Write the proportion equation
   66,492.52 : 91,746.23 = 42,303.09 : x
2. Step 2: Convert to fraction form
   66,492.52/91,746.23 = 42,303.09/x
3. Step 3: Cross multiply
   66,492.52x = 91,746.23 × 42,303.09
4. Step 4: Simplify right side
   66,492.52x = 3,881,149,024.85
5. Step 5: Solve for x
   x = 3,881,149,024.85/66,492.52
6. Step 6: Final answer
   x = 58,369.71