Finding the Fourth Proportional to 121,456,342.94, 182,038,141.56 and 55,786,861.32

Step by Step Solution

1. Step 1: Write the proportion equation
   121,456,342.94 : 182,038,141.56 = 55,786,861.32 : x
2. Step 2: Convert to fraction form
   121,456,342.94/182,038,141.56 = 55,786,861.32/x
3. Step 3: Cross multiply
   121,456,342.94x = 182,038,141.56 × 55,786,861.32
4. Step 4: Simplify right side
   121,456,342.94x = 10,155,336,558,158,248
5. Step 5: Solve for x
   x = 10,155,336,558,158,248/121,456,342.94
6. Step 6: Final answer
   x = 83,613,060.57