Finding the Fourth Proportional to 68,109,663.27, 94,044,889.61 and 54,836,678.07

Step by Step Solution

1. Step 1: Write the proportion equation
   68,109,663.27 : 94,044,889.61 = 54,836,678.07 : x
2. Step 2: Convert to fraction form
   68,109,663.27/94,044,889.61 = 54,836,678.07/x
3. Step 3: Cross multiply
   68,109,663.27x = 94,044,889.61 × 54,836,678.07
4. Step 4: Simplify right side
   68,109,663.27x = 5,157,109,335,398,075
5. Step 5: Solve for x
   x = 5,157,109,335,398,075/68,109,663.27
6. Step 6: Final answer
   x = 75,717,733.55