Finding the Fourth Proportional to 118,173,196.32, 163,106,220.72 and 69,296,370.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,173,196.32 : 163,106,220.72 = 69,296,370.72 : x
2. Step 2: Convert to fraction form
   118,173,196.32/163,106,220.72 = 69,296,370.72/x
3. Step 3: Cross multiply
   118,173,196.32x = 163,106,220.72 × 69,296,370.72
4. Step 4: Simplify right side
   118,173,196.32x = 11,302,669,137,751,266
5. Step 5: Solve for x
   x = 11,302,669,137,751,266/118,173,196.32
6. Step 6: Final answer
   x = 95,644,947.33