Finding the Fourth Proportional to 116,239,978.76, 160,411,179.39 and 64,029,014.39

Step by Step Solution

1. Step 1: Write the proportion equation
   116,239,978.76 : 160,411,179.39 = 64,029,014.39 : x
2. Step 2: Convert to fraction form
   116,239,978.76/160,411,179.39 = 64,029,014.39/x
3. Step 3: Cross multiply
   116,239,978.76x = 160,411,179.39 × 64,029,014.39
4. Step 4: Simplify right side
   116,239,978.76x = 10,270,969,713,479,180
5. Step 5: Solve for x
   x = 10,270,969,713,479,180/116,239,978.76
6. Step 6: Final answer
   x = 88,360,044.65