Finding the Fourth Proportional to 10,070.78, 13,897.50 and 5,594.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,070.78 : 13,897.50 = 5,594.36 : x
2. Step 2: Convert to fraction form
   10,070.78/13,897.50 = 5,594.36/x
3. Step 3: Cross multiply
   10,070.78x = 13,897.50 × 5,594.36
4. Step 4: Simplify right side
   10,070.78x = 77,747,618.10
5. Step 5: Solve for x
   x = 77,747,618.10/10,070.78
6. Step 6: Final answer
   x = 7,720.12