Finding the Fourth Proportional to 127,116,051.30, 190,698,960.15 and 54,332,691.30

Step by Step Solution

1. Step 1: Write the proportion equation
   127,116,051.30 : 190,698,960.15 = 54,332,691.30 : x
2. Step 2: Convert to fraction form
   127,116,051.30/190,698,960.15 = 54,332,691.30/x
3. Step 3: Cross multiply
   127,116,051.30x = 190,698,960.15 × 54,332,691.30
4. Step 4: Simplify right side
   127,116,051.30x = 10,361,187,733,060,952
5. Step 5: Solve for x
   x = 10,361,187,733,060,952/127,116,051.30
6. Step 6: Final answer
   x = 81,509,672.67