Finding the Fourth Proportional to 93,105.48, 128,484.31 and 50,663.91

Step by Step Solution

1. Step 1: Write the proportion equation
   93,105.48 : 128,484.31 = 50,663.91 : x
2. Step 2: Convert to fraction form
   93,105.48/128,484.31 = 50,663.91/x
3. Step 3: Cross multiply
   93,105.48x = 128,484.31 × 50,663.91
4. Step 4: Simplify right side
   93,105.48x = 6,509,517,518.25
5. Step 5: Solve for x
   x = 6,509,517,518.25/93,105.48
6. Step 6: Final answer
   x = 69,915.51