Finding the Fourth Proportional to 112,508,167.68, 169,605,521.75 and 105,008,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,508,167.68 : 169,605,521.75 = 105,008,622.72 : x
2. Step 2: Convert to fraction form
   112,508,167.68/169,605,521.75 = 105,008,622.72/x
3. Step 3: Cross multiply
   112,508,167.68x = 169,605,521.75 × 105,008,622.72
4. Step 4: Simplify right side
   112,508,167.68x = 17,810,042,244,674,504
5. Step 5: Solve for x
   x = 17,810,042,244,674,504/112,508,167.68
6. Step 6: Final answer
   x = 158,299,993.79