Finding the Fourth Proportional to 81,892,160.82, 122,899,252.72 and 60,088,880.28

Step by Step Solution

1. Step 1: Write the proportion equation
   81,892,160.82 : 122,899,252.72 = 60,088,880.28 : x
2. Step 2: Convert to fraction form
   81,892,160.82/122,899,252.72 = 60,088,880.28/x
3. Step 3: Cross multiply
   81,892,160.82x = 122,899,252.72 × 60,088,880.28
4. Step 4: Simplify right side
   81,892,160.82x = 7,384,878,483,043,322
5. Step 5: Solve for x
   x = 7,384,878,483,043,322/81,892,160.82
6. Step 6: Final answer
   x = 90,178,087.98