Finding the Fourth Proportional to 57,887,388.68, 86,812,647.82 and 19,016,818.00

Step by Step Solution

1. Step 1: Write the proportion equation
   57,887,388.68 : 86,812,647.82 = 19,016,818.00 : x
2. Step 2: Convert to fraction form
   57,887,388.68/86,812,647.82 = 19,016,818.00/x
3. Step 3: Cross multiply
   57,887,388.68x = 86,812,647.82 × 19,016,818.00
4. Step 4: Simplify right side
   57,887,388.68x = 1,650,900,323,161,889.50
5. Step 5: Solve for x
   x = 1,650,900,323,161,889.50/57,887,388.68
6. Step 6: Final answer
   x = 28,519,170.77