Finding the Fourth Proportional to 66,592.96, 91,976.30 and 53,026.42

Step by Step Solution

1. Step 1: Write the proportion equation
   66,592.96 : 91,976.30 = 53,026.42 : x
2. Step 2: Convert to fraction form
   66,592.96/91,976.30 = 53,026.42/x
3. Step 3: Cross multiply
   66,592.96x = 91,976.30 × 53,026.42
4. Step 4: Simplify right side
   66,592.96x = 4,877,173,913.85
5. Step 5: Solve for x
   x = 4,877,173,913.85/66,592.96
6. Step 6: Final answer
   x = 73,238.58