Finding the Fourth Proportional to 319,020,112.73, 478,533,979.34 and 88,975,200.89

Step by Step Solution

1. Step 1: Write the proportion equation
   319,020,112.73 : 478,533,979.34 = 88,975,200.89 : x
2. Step 2: Convert to fraction form
   319,020,112.73/478,533,979.34 = 88,975,200.89/x
3. Step 3: Cross multiply
   319,020,112.73x = 478,533,979.34 × 88,975,200.89
4. Step 4: Simplify right side
   319,020,112.73x = 42,577,656,942,860,976
5. Step 5: Solve for x
   x = 42,577,656,942,860,976/319,020,112.73
6. Step 6: Final answer
   x = 133,463,864.01