Finding the Fourth Proportional to 191,900.64, 287,887.87 and 58,782.05

Step by Step Solution

1. Step 1: Write the proportion equation
   191,900.64 : 287,887.87 = 58,782.05 : x
2. Step 2: Convert to fraction form
   191,900.64/287,887.87 = 58,782.05/x
3. Step 3: Cross multiply
   191,900.64x = 287,887.87 × 58,782.05
4. Step 4: Simplify right side
   191,900.64x = 16,922,640,501.72
5. Step 5: Solve for x
   x = 16,922,640,501.72/191,900.64
6. Step 6: Final answer
   x = 88,184.39