Finding the Fourth Proportional to 117,233,870.93, 175,628,843.58 and 78,254,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   117,233,870.93 : 175,628,843.58 = 78,254,789.48 : x
2. Step 2: Convert to fraction form
   117,233,870.93/175,628,843.58 = 78,254,789.48/x
3. Step 3: Cross multiply
   117,233,870.93x = 175,628,843.58 × 78,254,789.48
4. Step 4: Simplify right side
   117,233,870.93x = 13,743,798,180,968,752
5. Step 5: Solve for x
   x = 13,743,798,180,968,752/117,233,870.93
6. Step 6: Final answer
   x = 117,234,021.81