Finding the Fourth Proportional to 117,139,627.82, 161,652,407.46 and 64,216,241.48

Step by Step Solution

1. Step 1: Write the proportion equation
   117,139,627.82 : 161,652,407.46 = 64,216,241.48 : x
2. Step 2: Convert to fraction form
   117,139,627.82/161,652,407.46 = 64,216,241.48/x
3. Step 3: Cross multiply
   117,139,627.82x = 161,652,407.46 × 64,216,241.48
4. Step 4: Simplify right side
   117,139,627.82x = 10,380,710,033,274,714
5. Step 5: Solve for x
   x = 10,380,710,033,274,714/117,139,627.82
6. Step 6: Final answer
   x = 88,618,260.33