Finding the Fourth Proportional to 164,593,521.30, 246,778,307.55 and 78,373,233.30

Step by Step Solution

1. Step 1: Write the proportion equation
   164,593,521.30 : 246,778,307.55 = 78,373,233.30 : x
2. Step 2: Convert to fraction form
   164,593,521.30/246,778,307.55 = 78,373,233.30/x
3. Step 3: Cross multiply
   164,593,521.30x = 246,778,307.55 × 78,373,233.30
4. Step 4: Simplify right side
   164,593,521.30x = 19,340,813,870,995,300
5. Step 5: Solve for x
   x = 19,340,813,870,995,300/164,593,521.30
6. Step 6: Final answer
   x = 117,506,531.96