Finding the Fourth Proportional to 127,453.59, 191,068.61 and 48,515.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,453.59 : 191,068.61 = 48,515.31 : x
2. Step 2: Convert to fraction form
   127,453.59/191,068.61 = 48,515.31/x
3. Step 3: Cross multiply
   127,453.59x = 191,068.61 × 48,515.31
4. Step 4: Simplify right side
   127,453.59x = 9,269,752,602.84
5. Step 5: Solve for x
   x = 9,269,752,602.84/127,453.59
6. Step 6: Final answer
   x = 72,730.42