Finding the Fourth Proportional to 478,099,849.28, 659,771,085.38 and 266,415,602.00

Step by Step Solution

1. Step 1: Write the proportion equation
   478,099,849.28 : 659,771,085.38 = 266,415,602.00 : x
2. Step 2: Convert to fraction form
   478,099,849.28/659,771,085.38 = 266,415,602.00/x
3. Step 3: Cross multiply
   478,099,849.28x = 659,771,085.38 × 266,415,602.00
4. Step 4: Simplify right side
   478,099,849.28x = 175,773,310,889,075,168
5. Step 5: Solve for x
   x = 175,773,310,889,075,168/478,099,849.28
6. Step 6: Final answer
   x = 367,649,793.56