Finding the Fourth Proportional to 77,406, 116,128.51 and 22,002

Step by Step Solution

1. Step 1: Write the proportion equation
   77,406 : 116,128.51 = 22,002 : x
2. Step 2: Convert to fraction form
   77,406/116,128.51 = 22,002/x
3. Step 3: Cross multiply
   77,406x = 116,128.51 × 22,002
4. Step 4: Simplify right side
   77,406x = 2,555,059,422.02
5. Step 5: Solve for x
   x = 2,555,059,422.02/77,406
6. Step 6: Final answer
   x = 33,008.54