Finding the Fourth Proportional to 290,227,066.82, 435,527,892.18 and 105,979,116.57

Step by Step Solution

1. Step 1: Write the proportion equation
   290,227,066.82 : 435,527,892.18 = 105,979,116.57 : x
2. Step 2: Convert to fraction form
   290,227,066.82/435,527,892.18 = 105,979,116.57/x
3. Step 3: Cross multiply
   290,227,066.82x = 435,527,892.18 × 105,979,116.57
4. Step 4: Simplify right side
   290,227,066.82x = 46,156,861,255,943,912
5. Step 5: Solve for x
   x = 46,156,861,255,943,912/290,227,066.82
6. Step 6: Final answer
   x = 159,037,066.26