Finding the Fourth Proportional to 144,585,404.10, 199,528,093.85 and 78,506,030.16

Step by Step Solution

1. Step 1: Write the proportion equation
   144,585,404.10 : 199,528,093.85 = 78,506,030.16 : x
2. Step 2: Convert to fraction form
   144,585,404.10/199,528,093.85 = 78,506,030.16/x
3. Step 3: Cross multiply
   144,585,404.10x = 199,528,093.85 × 78,506,030.16
4. Step 4: Simplify right side
   144,585,404.10x = 15,664,158,553,162,880
5. Step 5: Solve for x
   x = 15,664,158,553,162,880/144,585,404.10
6. Step 6: Final answer
   x = 108,338,449.86