Finding the Fourth Proportional to 152,317.46, 210,200.72 and 83,412.99

Step by Step Solution

1. Step 1: Write the proportion equation
   152,317.46 : 210,200.72 = 83,412.99 : x
2. Step 2: Convert to fraction form
   152,317.46/210,200.72 = 83,412.99/x
3. Step 3: Cross multiply
   152,317.46x = 210,200.72 × 83,412.99
4. Step 4: Simplify right side
   152,317.46x = 17,533,470,607.49
5. Step 5: Solve for x
   x = 17,533,470,607.49/152,317.46
6. Step 6: Final answer
   x = 115,111.36