Finding the Fourth Proportional to 315,733.83, 473,543.69 and 91,039.02

Step by Step Solution

1. Step 1: Write the proportion equation
   315,733.83 : 473,543.69 = 91,039.02 : x
2. Step 2: Convert to fraction form
   315,733.83/473,543.69 = 91,039.02/x
3. Step 3: Cross multiply
   315,733.83x = 473,543.69 × 91,039.02
4. Step 4: Simplify right side
   315,733.83x = 43,110,953,140.37
5. Step 5: Solve for x
   x = 43,110,953,140.37/315,733.83
6. Step 6: Final answer
   x = 136,542.08