Finding the Fourth Proportional to 38,785,870.83, 53,524,914.17 and 21,382,838.79

Step by Step Solution

1. Step 1: Write the proportion equation
   38,785,870.83 : 53,524,914.17 = 21,382,838.79 : x
2. Step 2: Convert to fraction form
   38,785,870.83/53,524,914.17 = 21,382,838.79/x
3. Step 3: Cross multiply
   38,785,870.83x = 53,524,914.17 × 21,382,838.79
4. Step 4: Simplify right side
   38,785,870.83x = 1,144,514,610,945,696.75
5. Step 5: Solve for x
   x = 1,144,514,610,945,696.75/38,785,870.83
6. Step 6: Final answer
   x = 29,508,544.90