Finding the Fourth Proportional to 297,040,018.71, 445,651,250.27 and 141,791,931.03

Step by Step Solution

1. Step 1: Write the proportion equation
   297,040,018.71 : 445,651,250.27 = 141,791,931.03 : x
2. Step 2: Convert to fraction form
   297,040,018.71/445,651,250.27 = 141,791,931.03/x
3. Step 3: Cross multiply
   297,040,018.71x = 445,651,250.27 × 141,791,931.03
4. Step 4: Simplify right side
   297,040,018.71x = 63,189,751,341,008,144
5. Step 5: Solve for x
   x = 63,189,751,341,008,144/297,040,018.71
6. Step 6: Final answer
   x = 212,731,441.42