Finding the Fourth Proportional to 57,338,116.45, 86,012,128.94 and 15,838,978.16

Step by Step Solution

1. Step 1: Write the proportion equation
   57,338,116.45 : 86,012,128.94 = 15,838,978.16 : x
2. Step 2: Convert to fraction form
   57,338,116.45/86,012,128.94 = 15,838,978.16/x
3. Step 3: Cross multiply
   57,338,116.45x = 86,012,128.94 × 15,838,978.16
4. Step 4: Simplify right side
   57,338,116.45x = 1,362,344,231,709,416.50
5. Step 5: Solve for x
   x = 1,362,344,231,709,416.50/57,338,116.45
6. Step 6: Final answer
   x = 23,759,835.80