Finding the Fourth Proportional to 13,101,112.80, 19,655,314.88 and 5,715,806.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,101,112.80 : 19,655,314.88 = 5,715,806.58 : x
2. Step 2: Convert to fraction form
   13,101,112.80/19,655,314.88 = 5,715,806.58/x
3. Step 3: Cross multiply
   13,101,112.80x = 19,655,314.88 × 5,715,806.58
4. Step 4: Simplify right side
   13,101,112.80x = 112,345,978,094,496.88
5. Step 5: Solve for x
   x = 112,345,978,094,496.88/13,101,112.80
6. Step 6: Final answer
   x = 8,575,300.42