Finding the Fourth Proportional to 112,834.05, 169,461.89 and 99,330.01

Step by Step Solution

1. Step 1: Write the proportion equation
   112,834.05 : 169,461.89 = 99,330.01 : x
2. Step 2: Convert to fraction form
   112,834.05/169,461.89 = 99,330.01/x
3. Step 3: Cross multiply
   112,834.05x = 169,461.89 × 99,330.01
4. Step 4: Simplify right side
   112,834.05x = 16,832,651,228.32
5. Step 5: Solve for x
   x = 16,832,651,228.32/112,834.05
6. Step 6: Final answer
   x = 149,180.60