Finding the Fourth Proportional to 556,035,790.63, 829,141,046.69 and 551,045,061.43

Step by Step Solution

1. Step 1: Write the proportion equation
   556,035,790.63 : 829,141,046.69 = 551,045,061.43 : x
2. Step 2: Convert to fraction form
   556,035,790.63/829,141,046.69 = 551,045,061.43/x
3. Step 3: Cross multiply
   556,035,790.63x = 829,141,046.69 × 551,045,061.43
4. Step 4: Simplify right side
   556,035,790.63x = 456,894,079,007,425,536
5. Step 5: Solve for x
   x = 456,894,079,007,425,536/556,035,790.63
6. Step 6: Final answer
   x = 821,699,046.55