Finding the Fourth Proportional to 57,798,620.16, 86,637,240.72 and 19,446,819.54

Step by Step Solution

1. Step 1: Write the proportion equation
   57,798,620.16 : 86,637,240.72 = 19,446,819.54 : x
2. Step 2: Convert to fraction form
   57,798,620.16/86,637,240.72 = 19,446,819.54/x
3. Step 3: Cross multiply
   57,798,620.16x = 86,637,240.72 × 19,446,819.54
4. Step 4: Simplify right side
   57,798,620.16x = 1,684,818,785,725,379.50
5. Step 5: Solve for x
   x = 1,684,818,785,725,379.50/57,798,620.16
6. Step 6: Final answer
   x = 29,149,809.82