Finding the Fourth Proportional to 191,112.52, 286,793.52 and 72,785.02

Step by Step Solution

1. Step 1: Write the proportion equation
   191,112.52 : 286,793.52 = 72,785.02 : x
2. Step 2: Convert to fraction form
   191,112.52/286,793.52 = 72,785.02/x
3. Step 3: Cross multiply
   191,112.52x = 286,793.52 × 72,785.02
4. Step 4: Simplify right side
   191,112.52x = 20,874,272,089.07
5. Step 5: Solve for x
   x = 20,874,272,089.07/191,112.52
6. Step 6: Final answer
   x = 109,225.04