Finding the Fourth Proportional to 123,288,807.35, 170,074,049.89 and 76,230,838.22

Step by Step Solution

1. Step 1: Write the proportion equation
   123,288,807.35 : 170,074,049.89 = 76,230,838.22 : x
2. Step 2: Convert to fraction form
   123,288,807.35/170,074,049.89 = 76,230,838.22/x
3. Step 3: Cross multiply
   123,288,807.35x = 170,074,049.89 × 76,230,838.22
4. Step 4: Simplify right side
   123,288,807.35x = 12,964,887,382,584,798
5. Step 5: Solve for x
   x = 12,964,887,382,584,798/123,288,807.35
6. Step 6: Final answer
   x = 105,158,673.05