Finding the Fourth Proportional to 99,119.22, 136,786.56 and 56,098.71

Step by Step Solution

1. Step 1: Write the proportion equation
   99,119.22 : 136,786.56 = 56,098.71 : x
2. Step 2: Convert to fraction form
   99,119.22/136,786.56 = 56,098.71/x
3. Step 3: Cross multiply
   99,119.22x = 136,786.56 × 56,098.71
4. Step 4: Simplify right side
   99,119.22x = 7,673,549,561.34
5. Step 5: Solve for x
   x = 7,673,549,561.34/99,119.22
6. Step 6: Final answer
   x = 77,417.37