Finding the Fourth Proportional to 87,164,776.38, 120,295,887.71 and 65,099,968.82

Step by Step Solution

1. Step 1: Write the proportion equation
   87,164,776.38 : 120,295,887.71 = 65,099,968.82 : x
2. Step 2: Convert to fraction form
   87,164,776.38/120,295,887.71 = 65,099,968.82/x
3. Step 3: Cross multiply
   87,164,776.38x = 120,295,887.71 × 65,099,968.82
4. Step 4: Simplify right side
   87,164,776.38x = 7,831,258,539,095,221
5. Step 5: Solve for x
   x = 7,831,258,539,095,221/87,164,776.38
6. Step 6: Final answer
   x = 89,844,302.53