Finding the Fourth Proportional to 117,630,498.72, 162,217,431.44 and 77,875,097.76

Step by Step Solution

1. Step 1: Write the proportion equation
   117,630,498.72 : 162,217,431.44 = 77,875,097.76 : x
2. Step 2: Convert to fraction form
   117,630,498.72/162,217,431.44 = 77,875,097.76/x
3. Step 3: Cross multiply
   117,630,498.72x = 162,217,431.44 × 77,875,097.76
4. Step 4: Simplify right side
   117,630,498.72x = 12,632,698,331,766,098
5. Step 5: Solve for x
   x = 12,632,698,331,766,098/117,630,498.72
6. Step 6: Final answer
   x = 107,393,052.56