Finding the Fourth Proportional to 186,476,900.96, 279,667,637.69 and 55,288,499.47

Step by Step Solution

1. Step 1: Write the proportion equation
   186,476,900.96 : 279,667,637.69 = 55,288,499.47 : x
2. Step 2: Convert to fraction form
   186,476,900.96/279,667,637.69 = 55,288,499.47/x
3. Step 3: Cross multiply
   186,476,900.96x = 279,667,637.69 × 55,288,499.47
4. Step 4: Simplify right side
   186,476,900.96x = 15,462,404,037,224,106
5. Step 5: Solve for x
   x = 15,462,404,037,224,106/186,476,900.96
6. Step 6: Final answer
   x = 82,918,602.56