Finding the Fourth Proportional to 191,507.02, 287,099.71 and 83,355.59

Step by Step Solution

1. Step 1: Write the proportion equation
   191,507.02 : 287,099.71 = 83,355.59 : x
2. Step 2: Convert to fraction form
   191,507.02/287,099.71 = 83,355.59/x
3. Step 3: Cross multiply
   191,507.02x = 287,099.71 × 83,355.59
4. Step 4: Simplify right side
   191,507.02x = 23,931,366,225.24
5. Step 5: Solve for x
   x = 23,931,366,225.24/191,507.02
6. Step 6: Final answer
   x = 124,963.39