Finding the Fourth Proportional to 82,502,536.91, 123,811,959.51 and 38,785,290.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82,502,536.91 : 123,811,959.51 = 38,785,290.82 : x
2. Step 2: Convert to fraction form
   82,502,536.91/123,811,959.51 = 38,785,290.82/x
3. Step 3: Cross multiply
   82,502,536.91x = 123,811,959.51 × 38,785,290.82
4. Step 4: Simplify right side
   82,502,536.91x = 4,802,082,856,279,885
5. Step 5: Solve for x
   x = 4,802,082,856,279,885/82,502,536.91
6. Step 6: Final answer
   x = 58,205,275.09