Finding the Fourth Proportional to 77,586,856.72, 116,248,586.52 and 46,816,783.60

Step by Step Solution

1. Step 1: Write the proportion equation
   77,586,856.72 : 116,248,586.52 = 46,816,783.60 : x
2. Step 2: Convert to fraction form
   77,586,856.72/116,248,586.52 = 46,816,783.60/x
3. Step 3: Cross multiply
   77,586,856.72x = 116,248,586.52 × 46,816,783.60
4. Step 4: Simplify right side
   77,586,856.72x = 5,442,384,918,912,717
5. Step 5: Solve for x
   x = 5,442,384,918,912,717/77,586,856.72
6. Step 6: Final answer
   x = 70,145,707.00