Finding the Fourth Proportional to 117,773,798.67, 162,529,044.91 and 64,855,427.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,773,798.67 : 162,529,044.91 = 64,855,427.31 : x
2. Step 2: Convert to fraction form
   117,773,798.67/162,529,044.91 = 64,855,427.31/x
3. Step 3: Cross multiply
   117,773,798.67x = 162,529,044.91 × 64,855,427.31
4. Step 4: Simplify right side
   117,773,798.67x = 10,540,890,657,924,230
5. Step 5: Solve for x
   x = 10,540,890,657,924,230/117,773,798.67
6. Step 6: Final answer
   x = 89,501,152.01