Finding the Fourth Proportional to 140,470.88, 210,706.52 and 57,364.88

Step by Step Solution

1. Step 1: Write the proportion equation
   140,470.88 : 210,706.52 = 57,364.88 : x
2. Step 2: Convert to fraction form
   140,470.88/210,706.52 = 57,364.88/x
3. Step 3: Cross multiply
   140,470.88x = 210,706.52 × 57,364.88
4. Step 4: Simplify right side
   140,470.88x = 12,087,152,894.66
5. Step 5: Solve for x
   x = 12,087,152,894.66/140,470.88
6. Step 6: Final answer
   x = 86,047.40