Finding the Fourth Proportional to 191,925.81, 287,298.18 and 125,222.31

Step by Step Solution

1. Step 1: Write the proportion equation
   191,925.81 : 287,298.18 = 125,222.31 : x
2. Step 2: Convert to fraction form
   191,925.81/287,298.18 = 125,222.31/x
3. Step 3: Cross multiply
   191,925.81x = 287,298.18 × 125,222.31
4. Step 4: Simplify right side
   191,925.81x = 35,976,141,758.40
5. Step 5: Solve for x
   x = 35,976,141,758.40/191,925.81
6. Step 6: Final answer
   x = 187,448.17