Finding the Fourth Proportional to 12,789,335.56, 19,197,659.94 and 5,506,402

Step by Step Solution

1. Step 1: Write the proportion equation
   12,789,335.56 : 19,197,659.94 = 5,506,402 : x
2. Step 2: Convert to fraction form
   12,789,335.56/19,197,659.94 = 5,506,402/x
3. Step 3: Cross multiply
   12,789,335.56x = 19,197,659.94 × 5,506,402
4. Step 4: Simplify right side
   12,789,335.56x = 105,710,033,088,935.89
5. Step 5: Solve for x
   x = 105,710,033,088,935.89/12,789,335.56
6. Step 6: Final answer
   x = 8,265,482.80