Finding the Fourth Proportional to 123,460,543.40, 170,359,890.18 and 67,691,288.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,460,543.40 : 170,359,890.18 = 67,691,288.04 : x
2. Step 2: Convert to fraction form
   123,460,543.40/170,359,890.18 = 67,691,288.04/x
3. Step 3: Cross multiply
   123,460,543.40x = 170,359,890.18 × 67,691,288.04
4. Step 4: Simplify right side
   123,460,543.40x = 11,531,880,396,637,150
5. Step 5: Solve for x
   x = 11,531,880,396,637,150/123,460,543.40
6. Step 6: Final answer
   x = 93,405,391.55