Finding the Fourth Proportional to 864,061,219.35, 1,192,276,211.59 and 524,793,146.15

Step by Step Solution

1. Step 1: Write the proportion equation
   864,061,219.35 : 1,192,276,211.59 = 524,793,146.15 : x
2. Step 2: Convert to fraction form
   864,061,219.35/1,192,276,211.59 = 524,793,146.15/x
3. Step 3: Cross multiply
   864,061,219.35x = 1,192,276,211.59 × 524,793,146.15
4. Step 4: Simplify right side
   864,061,219.35x = 625,698,384,160,119,168
5. Step 5: Solve for x
   x = 625,698,384,160,119,168/864,061,219.35
6. Step 6: Final answer
   x = 724,136,635.40