Finding the Fourth Proportional to 769,070,856.52, 1,153,606,298.15 and 186,801,178.56

Step by Step Solution

1. Step 1: Write the proportion equation
   769,070,856.52 : 1,153,606,298.15 = 186,801,178.56 : x
2. Step 2: Convert to fraction form
   769,070,856.52/1,153,606,298.15 = 186,801,178.56/x
3. Step 3: Cross multiply
   769,070,856.52x = 1,153,606,298.15 × 186,801,178.56
4. Step 4: Simplify right side
   769,070,856.52x = 215,495,016,085,774,752
5. Step 5: Solve for x
   x = 215,495,016,085,774,752/769,070,856.52
6. Step 6: Final answer
   x = 280,201,771.08