Finding the Fourth Proportional to 13,875,558.30, 19,147,789.98 and 7,680,875.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,875,558.30 : 19,147,789.98 = 7,680,875.22 : x
2. Step 2: Convert to fraction form
   13,875,558.30/19,147,789.98 = 7,680,875.22/x
3. Step 3: Cross multiply
   13,875,558.30x = 19,147,789.98 × 7,680,875.22
4. Step 4: Simplify right side
   13,875,558.30x = 147,071,785,575,146.28
5. Step 5: Solve for x
   x = 147,071,785,575,146.28/13,875,558.30
6. Step 6: Final answer
   x = 10,599,341.84