Finding the Fourth Proportional to 277,544,789.42, 383,012,259.54 and 152,077,047.74

Step by Step Solution

1. Step 1: Write the proportion equation
   277,544,789.42 : 383,012,259.54 = 152,077,047.74 : x
2. Step 2: Convert to fraction form
   277,544,789.42/383,012,259.54 = 152,077,047.74/x
3. Step 3: Cross multiply
   277,544,789.42x = 383,012,259.54 × 152,077,047.74
4. Step 4: Simplify right side
   277,544,789.42x = 58,247,373,679,069,856
5. Step 5: Solve for x
   x = 58,247,373,679,069,856/277,544,789.42
6. Step 6: Final answer
   x = 209,866,572.53