Finding the Fourth Proportional to 215,751,671.57, 297,818,274.15 and 141,417,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,751,671.57 : 297,818,274.15 = 141,417,022.50 : x
2. Step 2: Convert to fraction form
   215,751,671.57/297,818,274.15 = 141,417,022.50/x
3. Step 3: Cross multiply
   215,751,671.57x = 297,818,274.15 × 141,417,022.50
4. Step 4: Simplify right side
   215,751,671.57x = 42,116,573,576,381,712
5. Step 5: Solve for x
   x = 42,116,573,576,381,712/215,751,671.57
6. Step 6: Final answer
   x = 195,208,562.09