Finding the Fourth Proportional to 100,927,145.67, 139,279,522.04 and 54,517,420.09

Step by Step Solution

1. Step 1: Write the proportion equation
   100,927,145.67 : 139,279,522.04 = 54,517,420.09 : x
2. Step 2: Convert to fraction form
   100,927,145.67/139,279,522.04 = 54,517,420.09/x
3. Step 3: Cross multiply
   100,927,145.67x = 139,279,522.04 × 54,517,420.09
4. Step 4: Simplify right side
   100,927,145.67x = 7,593,160,212,989,094
5. Step 5: Solve for x
   x = 7,593,160,212,989,094/100,927,145.67
6. Step 6: Final answer
   x = 75,234,072.68