Finding the Fourth Proportional to 127,980.59, 191,888.86 and 53,152.38

Step by Step Solution

1. Step 1: Write the proportion equation
   127,980.59 : 191,888.86 = 53,152.38 : x
2. Step 2: Convert to fraction form
   127,980.59/191,888.86 = 53,152.38/x
3. Step 3: Cross multiply
   127,980.59x = 191,888.86 × 53,152.38
4. Step 4: Simplify right side
   127,980.59x = 10,199,349,604.49
5. Step 5: Solve for x
   x = 10,199,349,604.49/127,980.59
6. Step 6: Final answer
   x = 79,694.51