Finding the Fourth Proportional to 69,356.98, 95,810.61 and 55,191.70

Step by Step Solution

1. Step 1: Write the proportion equation
   69,356.98 : 95,810.61 = 55,191.70 : x
2. Step 2: Convert to fraction form
   69,356.98/95,810.61 = 55,191.70/x
3. Step 3: Cross multiply
   69,356.98x = 95,810.61 × 55,191.70
4. Step 4: Simplify right side
   69,356.98x = 5,287,950,443.94
5. Step 5: Solve for x
   x = 5,287,950,443.94/69,356.98
6. Step 6: Final answer
   x = 76,242.51