Finding the Fourth Proportional to 345,493,081.52, 476,780,488.42 and 188,860,826.78

Step by Step Solution

1. Step 1: Write the proportion equation
   345,493,081.52 : 476,780,488.42 = 188,860,826.78 : x
2. Step 2: Convert to fraction form
   345,493,081.52/476,780,488.42 = 188,860,826.78/x
3. Step 3: Cross multiply
   345,493,081.52x = 476,780,488.42 × 188,860,826.78
4. Step 4: Simplify right side
   345,493,081.52x = 90,045,157,235,573,424
5. Step 5: Solve for x
   x = 90,045,157,235,573,424/345,493,081.52
6. Step 6: Final answer
   x = 260,627,960.59