Finding the Fourth Proportional to 469,537,796.54, 704,443,008.69 and 189,274,075.10

Step by Step Solution

1. Step 1: Write the proportion equation
   469,537,796.54 : 704,443,008.69 = 189,274,075.10 : x
2. Step 2: Convert to fraction form
   469,537,796.54/704,443,008.69 = 189,274,075.10/x
3. Step 3: Cross multiply
   469,537,796.54x = 704,443,008.69 × 189,274,075.10
4. Step 4: Simplify right side
   469,537,796.54x = 133,332,798,926,938,800
5. Step 5: Solve for x
   x = 133,332,798,926,938,800/469,537,796.54
6. Step 6: Final answer
   x = 283,966,061.75