Finding the Fourth Proportional to 128,061,709.36, 192,097,878.48 and 37,185,298.36

Step by Step Solution

1. Step 1: Write the proportion equation
   128,061,709.36 : 192,097,878.48 = 37,185,298.36 : x
2. Step 2: Convert to fraction form
   128,061,709.36/192,097,878.48 = 37,185,298.36/x
3. Step 3: Cross multiply
   128,061,709.36x = 192,097,878.48 × 37,185,298.36
4. Step 4: Simplify right side
   128,061,709.36x = 7,143,216,925,601,823
5. Step 5: Solve for x
   x = 7,143,216,925,601,823/128,061,709.36
6. Step 6: Final answer
   x = 55,779,490.69