Finding the Fourth Proportional to 191,434.71, 287,141.60 and 58,303.83

Step by Step Solution

1. Step 1: Write the proportion equation
   191,434.71 : 287,141.60 = 58,303.83 : x
2. Step 2: Convert to fraction form
   191,434.71/287,141.60 = 58,303.83/x
3. Step 3: Cross multiply
   191,434.71x = 287,141.60 × 58,303.83
4. Step 4: Simplify right side
   191,434.71x = 16,741,454,740.81
5. Step 5: Solve for x
   x = 16,741,454,740.81/191,434.71
6. Step 6: Final answer
   x = 87,452.56