Finding the Fourth Proportional to 93,303.18, 128,773.35 and 55,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,303.18 : 128,773.35 = 55,063.50 : x
2. Step 2: Convert to fraction form
   93,303.18/128,773.35 = 55,063.50/x
3. Step 3: Cross multiply
   93,303.18x = 128,773.35 × 55,063.50
4. Step 4: Simplify right side
   93,303.18x = 7,090,711,357.73
5. Step 5: Solve for x
   x = 7,090,711,357.73/93,303.18
6. Step 6: Final answer
   x = 75,996.46