Finding the Fourth Proportional to 118,426,645.74, 163,378,727.55 and 79,281,034.59

Step by Step Solution

1. Step 1: Write the proportion equation
   118,426,645.74 : 163,378,727.55 = 79,281,034.59 : x
2. Step 2: Convert to fraction form
   118,426,645.74/163,378,727.55 = 79,281,034.59/x
3. Step 3: Cross multiply
   118,426,645.74x = 163,378,727.55 × 79,281,034.59
4. Step 4: Simplify right side
   118,426,645.74x = 12,952,834,550,161,738
5. Step 5: Solve for x
   x = 12,952,834,550,161,738/118,426,645.74
6. Step 6: Final answer
   x = 109,374,325.93