Finding the Fourth Proportional to 146,710,367.33, 220,065,550.99 and 78,685,919.33

Step by Step Solution

1. Step 1: Write the proportion equation
   146,710,367.33 : 220,065,550.99 = 78,685,919.33 : x
2. Step 2: Convert to fraction form
   146,710,367.33/220,065,550.99 = 78,685,919.33/x
3. Step 3: Cross multiply
   146,710,367.33x = 220,065,550.99 × 78,685,919.33
4. Step 4: Simplify right side
   146,710,367.33x = 17,316,060,191,214,100
5. Step 5: Solve for x
   x = 17,316,060,191,214,100/146,710,367.33
6. Step 6: Final answer
   x = 118,028,878.99