Finding the Fourth Proportional to 479,784,573.95, 662,147,093.27 and 291,569,429.39

Step by Step Solution

1. Step 1: Write the proportion equation
   479,784,573.95 : 662,147,093.27 = 291,569,429.39 : x
2. Step 2: Convert to fraction form
   479,784,573.95/662,147,093.27 = 291,569,429.39/x
3. Step 3: Cross multiply
   479,784,573.95x = 662,147,093.27 × 291,569,429.39
4. Step 4: Simplify right side
   479,784,573.95x = 193,061,850,154,399,200
5. Step 5: Solve for x
   x = 193,061,850,154,399,200/479,784,573.95
6. Step 6: Final answer
   x = 402,392,783.43