Finding the Fourth Proportional to 117,401,128.89, 162,028,504.59 and 70,991,714.97

Step by Step Solution

1. Step 1: Write the proportion equation
   117,401,128.89 : 162,028,504.59 = 70,991,714.97 : x
2. Step 2: Convert to fraction form
   117,401,128.89/162,028,504.59 = 70,991,714.97/x
3. Step 3: Cross multiply
   117,401,128.89x = 162,028,504.59 × 70,991,714.97
4. Step 4: Simplify right side
   117,401,128.89x = 11,502,681,414,868,616
5. Step 5: Solve for x
   x = 11,502,681,414,868,616/117,401,128.89
6. Step 6: Final answer
   x = 97,977,604.85