Finding the Fourth Proportional to 579,897,016.82, 869,927,236.83 and 186,291,861.32

Step by Step Solution

1. Step 1: Write the proportion equation
   579,897,016.82 : 869,927,236.83 = 186,291,861.32 : x
2. Step 2: Convert to fraction form
   579,897,016.82/869,927,236.83 = 186,291,861.32/x
3. Step 3: Cross multiply
   579,897,016.82x = 869,927,236.83 × 186,291,861.32
4. Step 4: Simplify right side
   579,897,016.82x = 162,060,364,162,025,152
5. Step 5: Solve for x
   x = 162,060,364,162,025,152/579,897,016.82
6. Step 6: Final answer
   x = 279,464,041.82